Mailcow LLDAP example config

Setting location

First, go to System > Configuration.

And then, Access > Identity Provider.

Set Identity Provider as LDAP

Set Host as the LLDAP IP.

Set Port as the LLDAP port, which should be 3890 by default.

Set Use SSL to False.

Set Use StartTLS (SSL port will not be used) to False.

Set Ignore SSL Errors (validation bypass) to False.

When using Use SSL (LDAPS), Port should be set to 6360 instead, the default port if unchanged.

These three options should be False, unless there is a properly-signed non self-signed certificate for LLDAP installed.

Set Base DN in the format like dc=example,dc=org.

Set Username Field as mail or uid.

Set Filter as (objectclass=person).

Set Attribute Field also as mail.

Set Bind DN in the format like uid=username,ou=people,dc=example,dc=org.

Set Bind Password as the password of the user given in Bind DN

Leave Attribute Mapping as default if you not sure what it means.

Set Auto-create users on login, Periodic Full Sync, Import Users to True.

Set Sync / Import interval (min) to 15

Try Test Connection, you should be able to connect it now.